Expression equivalent to a^2-144b^2

(a - 12b)(a + 12b).

Step-by-step explanation:

a^2 - 144b^2

This is the difference  of 2 squares identity:

a^2 - b^2 = (a - b)(a + b)

So for the given expression we have:

(a - 12b)(a + 12b).

-  (as a is square root of a^2 and 12b is the square root of 144b^2.).

hope this .

r3t40

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.